nullvsnurTell them apart

Quick tell: null is a num, nur is an adverb, so they fill different roles in a sentence.

Which to use

“null” is a num and “nur” is an adverb - they look or sound alike but fill different roles in a sentence.

#42,573
“null” frequency rank
#35,702
“nur” frequency rank
78275
confusion score

Side-by-Side Comparison

Feature null nur
Definition o número zero apenas, somente, meramente

Where the eye mixes null and nur

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
null
3 ch
nur

Look-alike desk: null vs nur

These two trip readers on the page rather than in the ear: null is /nʊl/ ouvir^(fonte ?) while nur is /nuːɐ̯/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (num vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 78275, derived from the frequency rank of both members and their visual similarity.

null is recorded at frequency rank #42,573, classified as anum, pronounced /nʊl/ ouvir^(fonte ?). nur is at rank #35,702, tagged as anadv, pronounced /nuːɐ̯/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 78275, this pair ranks #1,706 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of null vs nur

Shared letters: nu. Private to "null": l. Private to "nur": r.

"null" · 4 letters · shape CVCC  ·  "nur" · 3 letters · shape CVC

Known mistypes of this pair

  • nullnlul · nnull · nul · unll

Frequently Asked Questions

Is swapping "null" for "nur" ever safe?
No - they are not even the same part of speech. "null" is a num and "nur" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "null" vs "nur" - which ranks higher?
"nur" is the more common of the two: it sits at frequency rank #35,702 in our Portuguese list, against #42,573 for "null". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "null" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nur" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,706 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "null" and "nur" also get mixed up with nearby pairs, the highest-scored neighbour is "null vs nun". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #1,706 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list